Seiko Cal. 4444 - 154

This Spring Drive model from 1974 features a 45mm Two-Tone case. The Fixed bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-2cd3aef118bd]

Also known as: Monster, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

Silver

Jewels

17j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1974

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